GunsModify CNC Steel Front Base for Marui G17/G18C GBB (Enhance Hop Up)

GunsModify CNC Steel Front Base for Marui G17/G18C GBB (Enhance Hop Up) CNC Steel Construction Provides better rigidity and better support to the hop-up base , reducing rattling from shot to shot Complete Hammer Unit for Marui G17/ G18C Series Airsoft Gas Blow Back GBB Pistol